{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{6}{c}}
\toprule
                    &\multicolumn{1}{c}{lv\_jst}&\multicolumn{1}{c}{lv\_jst}&\multicolumn{1}{c}{lv\_jst}&\multicolumn{1}{c}{lv\_jst}&\multicolumn{1}{c}{lv\_jst}&\multicolumn{1}{c}{lv\_jst}\\
\midrule
postWTO=0 $\times$ chn=1 $\times$ lgap\_med&       -0.67\sym{***}&       -2.07\sym{***}&                     &                     &                     &                     \\
                    &      (0.21)         &      (0.26)         &                     &                     &                     &                     \\
\addlinespace
ltariff\_jst         &       -3.85\sym{***}&       -3.76\sym{***}&       -3.85\sym{***}&       -3.76\sym{***}&       -3.80\sym{***}&       -3.79\sym{***}\\
                    &      (0.14)         &      (0.11)         &      (0.14)         &      (0.11)         &      (0.18)         &      (0.12)         \\
\addlinespace
postWTO=0 $\times$ chn=1 $\times$ lnntr\_med&                     &                     &       -0.51\sym{***}&       -1.63\sym{***}&                     &                     \\
                    &                     &                     &      (0.19)         &      (0.25)         &                     &                     \\
\addlinespace
postWTO=0 $\times$ chn=1 $\times$ lapplied\_nntr&                     &                     &                     &                     &       -0.42\sym{**} &       -2.04\sym{***}\\
                    &                     &                     &                     &                     &      (0.21)         &      (0.31)         \\
\midrule
N                   &     703,190         &   1,245,003         &     703,804         &   1,246,136         &     365,163         &     740,504         \\
r2\_a                &        0.84         &        0.78         &        0.84         &        0.78         &        0.86         &        0.79         \\
\bottomrule
\multicolumn{7}{l}{\footnotesize Standard errors in parentheses}\\
\multicolumn{7}{l}{\footnotesize \sym{*} \(p<0.10\), \sym{**} \(p<0.05\), \sym{***} \(p<0.01\)}\\
\end{tabular}
}
